Hi Birger,
at the moment, no expressions other than the 'archetype_id/value
matches' one are in use to my knowledge.
At the moment, only identifiers are used as the criterion; this is
lexical matching and for obvious reasons not very good, however it has
survived in use simply because the Archetype ids happen to be meaningful
well-structured ids.
This would ideally be replaced by ontological matching, where
expressions like "< lab_instrument" in a CLUSTER slot means
openEHR-EHR-CLUSTER.lab_instrument.v* or any specialisation child.
Additionally, I have the intention to add 'conditional slots' to ADL2,
which will enable various types of slot fillers to be specified under
condition expressions that refer to other paths in the same archetype
(and possibly more powerful runtime-resolvable expressions).This would
enable a slot to be conditional on an expression of the logical form
/path/to/smoking_status/value /= non-smoker, with filler archetypes
specified as "< tobacco_use_details" or similar.
We don't have this yet, but I think the design is fairly clear. You
won't find any of this in current tools.
- thomas
On 10/10/2017 16:03, Birger Haarbrandt wrote:
Hi there,
I stumpled upon the "Using Other Constraints in Slots" section in the
spec
(http://www.openehr.org/releases/AM/latest/docs/ADL1.4/ADL1.4.html#_using_other_constraints_in_slots).
When taking a look at the tools (ADL Editor, LinkEHR, ADL Designer),
there does not seem to be real support for this expressions.
Therefore, I tried to create it by hand but have not been able to
successfully parse anything using the Workbench that looks different
from the typical "archetype_id/value matches..." statements. Do you
have any working real-life examples? Would such expressions be
supported in the Template Designer?
Best,
--
*Birger Haarbrandt, M.Sc.*
Peter L. Reichertz Institut für Medizinische Informatik
Technische Universität Braunschweig und
Medizinische Hochschule Hannover
Carl-Neuberg-Str. 1
30625 Hannover
T +49 (0)531 391-2129
F +49 (0)531 391-9502
[email protected]
http://www.plri.de
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--
Thomas Beale
Principal, Ars Semantica <http://www.arssemantica.com>
Consultant, ABD Team, Intermountain Healthcare
<https://intermountainhealthcare.org/>
Management Board, Specifications Program Lead, openEHR Foundation
<http://www.openehr.org>
Chartered IT Professional Fellow, BCS, British Computer Society
<http://www.bcs.org/category/6044>
Health IT blog <http://wolandscat.net/> | Culture blog
<http://wolandsothercat.net/>
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